45189316 has 12 divisors (see below), whose sum is σ = 79613100. Its totient is φ = 22442720.

The previous prime is 45189271. The next prime is 45189359. The reversal of 45189316 is 61398154.

It can be written as a sum of positive squares in 2 ways, for example, as 28132416 + 17056900 = 5304^2 + 4130^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37315 + ... + 38506.

It is an arithmetic number, because the mean of its divisors is an integer number (6634425).

Almost surely, 2^45189316 is an apocalyptic number.

It is an amenable number.

45189316 is a deficient number, since it is larger than the sum of its proper divisors (34423784).

45189316 is a wasteful number, since it uses less digits than its factorization.

45189316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75974 (or 75972 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 45189316 is about 6722.2999040507. The cubic root of 45189316 is about 356.1874302342.

The spelling of 45189316 in words is "forty-five million, one hundred eighty-nine thousand, three hundred sixteen".